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115245550 = 25272172767
BaseRepresentation
bin1101101111010…
…00000111101110
322000212002011201
412313220013232
5214000324200
615234040114
72566366600
oct667500756
9260762151
10115245550
115a064762
123271903a
131ab50b44
141143d170
15a1b6c6a
hex6de81ee

115245550 has 72 divisors (see below), whose sum is σ = 264117024. Its totient is φ = 37175040.

The previous prime is 115245541. The next prime is 115245553. The reversal of 115245550 is 55542511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115245553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40267 + ... + 43033.

It is an arithmetic number, because the mean of its divisors is an integer number (3668292).

Almost surely, 2115245550 is an apocalyptic number.

115245550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115245550 is an abundant number, since it is smaller than the sum of its proper divisors (148871474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115245550 is a wasteful number, since it uses less digits than its factorization.

115245550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 115245550 is about 10735.2480176287. The cubic root of 115245550 is about 486.6402818205.

The spelling of 115245550 in words is "one hundred fifteen million, two hundred forty-five thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 17 25 34 35 49 50 70 85 98 119 170 175 238 245 350 425 490 595 833 850 1190 1225 1666 2450 2767 2975 4165 5534 5950 8330 13835 19369 20825 27670 38738 41650 47039 69175 94078 96845 135583 138350 193690 235195 271166 329273 470390 484225 658546 677915 968450 1175975 1355830 1646365 2304911 2351950 3292730 3389575 4609822 6779150 8231825 11524555 16463650 23049110 57622775 115245550